Copyright (c) 2026 Jitubhai H. Morabiya, Hardik B. Bhatt, Sanjay N. Bamaniya
This work is licensed under a Creative Commons Attribution 4.0 International License.
Structural, Kinetic and Thermodynamic Analysis of Cellulose Contents Extracted from Sericostoma pauciflorum
Corresponding Author(s) : Jitubhai Morabiya
Asian Journal of Chemistry,
Vol. 38 No. 5 (2026): Vol 38, Issue 5, 2026
Abstract
In this study, cellulose was extracted from Sericostoma pauciflorum, a commonly plant found in Gujarat state of India. The extracted material was further fractionated into crude cellulose, α-cellulose and β-cellulose, and these fractions were characterised by SEM, FTIR, XRD and TGA to evaluate their surface morphology, chemical composition, crystallinity and thermal stability. SEM images showed that α-cellulose had a clear fibrous structure, while β-cellulose appeared flaky and clustered, indicating lower crystallinity. FTIR and XRD results confirmed the successful removal of lignin and hemicellulose and showed that α-cellulose possessed higher crystallinity. Thermal degradation behaviour was studied using TGA and kinetic parameters were calculated using the Coats-Redfern method with a 21 solid-state reaction model. The DM06 (Zhuravlev equation) model was most suitable for crude and β-cellulose, whereas the NM 04 (Avrami-Erofeev, n = 2) model best explained the decomposition of α-cellulose. Thermodynamic analysis showed positive enthalpy and Gibb’s free energy values, indicating that the pyrolysis process is endothermic and non-spontaneous.
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H.M. Shaikh, R. Anis, A.M. Poulose, S.M. Al-Zahrani, N.A. Madhar, A. Alhamidi and M.A. Alam, Polymers, 13, 1893 (2021); https://doi.org/10.3390/polym13111893
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H. Zhou, Y. Long, A. Meng, S. Chen, Q. Li and Y. Zhang, RSC Adv., 5, 26509 (2015); https://doi.org/10.1039/C5RA02715B
M. Choudhary, S. Kumar Jain, D. Singh, K. Srivastava, A.K. Patel, J. Mahlknecht, B. Shekher Giri and M. Kumar, Bioresour. Technol., 380, 129065 (2023); https://doi.org/10.1016/j.biortech.2023.129065
O. Fischer, R. Lemaire and A. Bensakhria, J. Therm. Anal. Calorim., 149, 10941 (2024); https://doi.org/10.1007/s10973-023-12868-w
C. Zheng, D. Li and M. Ek, J. Therm. Anal. Calorim., 135, 3015 (2019); https://doi.org/10.1007/s10973-018-7564-5
J. Cai, W. Wu, R. Liu and G.W. Huber, Green Chem., 15, 1331 (2013); https://doi.org/10.1039/c3gc36958g
M. Raza, B. Abu-jdayil, A.H. Al-marzouqi and A. Inayat, Renew. Energy, 183, 67 (2022); https://doi.org/10.1016/j.renene.2021.10.065
O. Bongomin, C. Nzila, J. Igadwa Mwasiagi and O. Maube, Energy Convers. Manag. X, 24, 100723 (2024); https://doi.org/10.1016/j.ecmx.2024.100723
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G. Singh, R.K. Mishra and N. Kumar, RSC Adv., 15, 43487 (2025); https://doi.org/10.1039/D5RA06424D
D. Parihar, M. Kumar, P.S. Gehlot, P.K. Surolia and G. Prasad, J. Nat. Fibers, 19, 10499 (2021); https://doi.org/10.1080/15440478.2021.1994092
M. Raza, B. Abu-Jdayil, F. Banat and A.H. Al-Marzouqi, ACS Omega, 7, 25366 (2022); https://doi.org/10.1021/acsomega.2c02333
M. Uddin Monir, S. Muntasir Shovon, F. Ahamed Akash, M.A. Habib, K. Techato, A. Abd Aziz, S. Chowdhury and T.A. Eka Prasetya, Case Stud. Therm. Eng., 55, 104186 (2024); https://doi.org/10.1016/j.csite.2024.104186
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H.S. Hafid, F.N. Omar, E.K. Bahrin and M. Wakisaka, Bioresour. Bioprocess., 10, 7 (2023); https://doi.org/10.1186/s40643-023-00631-w
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A.K. Burnham, X. Zhou and L.J. Broadbelt, Energy Fuels, 29, 2906 (2015); https://doi.org/10.1021/acs.energyfuels.5b00350
Y. Liang, M.E. Ries and P.J. Hine, Carbohydr. Polym., 305, 120518 (2023); https://doi.org/10.1016/j.carbpol.2022.120518
